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All results from a given calculation for CH3CHS (Thioacetaldehyde)

using model chemistry: B2PLYP=FULL/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at B2PLYP=FULL/TZVP
 hartrees
Energy at 0K-476.607357
Energy at 298.15K-476.611163
HF Energy-476.445851
Nuclear repulsion energy92.700895
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at B2PLYP=FULL/TZVP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3167 3022 9.23      
2 A' 3106 2964 21.52      
3 A' 3042 2903 5.24      
4 A' 1497 1428 6.00      
5 A' 1410 1345 18.40      
6 A' 1394 1331 49.00      
7 A' 1167 1114 36.61      
8 A' 1095 1045 6.44      
9 A' 834 795 0.83      
10 A' 398 380 1.57      
11 A" 3097 2955 8.16      
12 A" 1486 1418 10.76      
13 A" 1057 1008 5.59      
14 A" 775 739 13.34      
15 A" 164 156 0.26      

Unscaled Zero Point Vibrational Energy (zpe) 11844.7 cm-1
Scaled (by 0.9542) Zero Point Vibrational Energy (zpe) 11302.2 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at B2PLYP=FULL/TZVP
ABC
1.63960 0.19010 0.17585

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.625 0.000
C2 -1.488 0.720 0.000
S3 0.875 -0.747 0.000
H4 0.521 1.583 0.000
H5 -1.951 -0.264 0.000
H6 -1.822 1.282 0.876
H7 -1.822 1.282 -0.876

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.49121.62771.08992.14442.12562.1256
C21.49122.78152.18681.08681.09341.0934
S31.62772.78152.35652.86773.48693.4869
H41.08992.18682.35653.08572.51942.5194
H52.14441.08682.86773.08571.78131.7813
H62.12561.09343.48692.51941.78131.7529
H72.12561.09343.48692.51941.78131.7529

picture of Thioacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 111.609 C1 C2 H6 109.693
C1 C2 H7 109.693 C2 C1 S3 126.148
C2 C1 H4 114.935 S3 C1 H4 118.917
H5 C2 H6 109.577 H5 C2 H7 109.577
H6 C2 H7 106.561
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability